868680800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{827}}^1$

素因数の和:961

約数の個数: 144

約数和(自身を含む): 2309195952

約数和(自身を除く): 1440515152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 101, 104, 130, 160, 200, 202, 208, 260, 325, 400, 404, 416, 505, 520, 650, 800, 808, 827, 1010, 1040, 1300, 1313, 1616, 1654, 2020, 2080, 2525, 2600, 2626, 3232, 3308, 4040, 4135, 5050, 5200, 5252, 6565, 6616, 8080, 8270, 10100, 10400, 10504, 10751, 13130, 13232, 16160, 16540, 20200, 20675, 21008, 21502, 26260, 26464, 32825, 33080, 40400, 41350, 42016, 43004, 52520, 53755, 65650, 66160, 80800, 82700, 83527, 86008, 105040, 107510, 131300, 132320, 165400, 167054, 172016, 210080, 215020, 262600, 268775, 330800, 334108, 344032, 417635, 430040, 525200, 537550, 661600, 668216, 835270, 860080, 1050400, 1075100, 1085851, 1336432, 1670540, 1720160, 2088175, 2150200, 2171702, 2672864, 3341080, 4176350, 4300400, 4343404, 5429255, 6682160, 8352700, 8600800, 8686808, 10858510, 13364320, 16705400, 17373616, 21717020, 27146275, 33410800, 34747232, 43434040, 54292550, 66821600, 86868080, 108585100, 173736160, 217170200, 434340400, 868680800]

約数ペア:

[(1, 868680800), (2, 434340400), (4, 217170200), (5, 173736160), (8, 108585100), (10, 86868080), (13, 66821600), (16, 54292550), (20, 43434040), (25, 34747232), (26, 33410800), (32, 27146275), (40, 21717020), (50, 17373616), (52, 16705400), (65, 13364320), (80, 10858510), (100, 8686808), (101, 8600800), (104, 8352700), (130, 6682160), (160, 5429255), (200, 4343404), (202, 4300400), (208, 4176350), (260, 3341080), (325, 2672864), (400, 2171702), (404, 2150200), (416, 2088175), (505, 1720160), (520, 1670540), (650, 1336432), (800, 1085851), (808, 1075100), (827, 1050400), (1010, 860080), (1040, 835270), (1300, 668216), (1313, 661600), (1616, 537550), (1654, 525200), (2020, 430040), (2080, 417635), (2525, 344032), (2600, 334108), (2626, 330800), (3232, 268775), (3308, 262600), (4040, 215020), (4135, 210080), (5050, 172016), (5200, 167054), (5252, 165400), (6565, 132320), (6616, 131300), (8080, 107510), (8270, 105040), (10100, 86008), (10400, 83527), (10504, 82700), (10751, 80800), (13130, 66160), (13232, 65650), (16160, 53755), (16540, 52520), (20200, 43004), (20675, 42016), (21008, 41350), (21502, 40400), (26260, 33080), (26464, 32825)]